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Calhoun County Weather Forecast
| TODAY | TONIGHT | WEDNESDAY | WEDNESDAY NIGHT | THURSDAY | THURSDAY NIGHT | FRIDAY | FRIDAY NIGHT | SATURDAY | SATURDAY NIGHT | SUNDAY | SUNDAY NIGHT |
 |  |  |  |  | |  |  | | |  |  |
| Patchy Fog | Mostly Cloudy | Mostly Sunny | Chance of Showers | Showers | Chance of Showers | Chance of T-Storm | Chance of T-Storm | Chance of T-Storm | Chance of T-Storm | Partly Sunny | Partly Cloudy |
| Hi: 59°FHi: 15°C | Lo: 49°FLo: 9°C | Hi: 65°FHi: 18°C | Lo: 51°FLo: 11°C | Hi: 65°FHi: 18°C | Lo: 55°FLo: 13°C | Hi: 69°FHi: 21°C | Lo: 55°FLo: 13°C | Hi: 69°FHi: 21°C | Lo: 59°FLo: 15°C | Hi: 75°FHi: 24°C | Lo: 59°FLo: 15°C |
| POP: 30% | POP: 70% | POP: 40% | POP: 50% | POP: 70% | POP: 70% | POP: 30% |
POP = Probability of Precipitation.
Weather Outlook Updated: 607 AM CDT Tue Sep 22 2026 
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Issued: 625 AM CDT Tue Sep 22 2026
Key Messages
- Drizzle and fog this morning will gradually diminish from northwest to southeast through the day today.
- Sunny and cool Wednesday for the first day of fall.
- Cooler temperatures in the 60s to finish the week with rain returning Thursday and lasting into the weekend.
Aviation
/12Z TAFS THROUGH 12Z WEDNESDAY/... Issued at 625 AM CDT Tue Sep 22 2026
Low stratus and patchy fog and drizzle is resulting in IFR to LIFR conditions across Iowa impacting all sites (except KMCW). Visibility will beg...